public class level2 {
    public static void main(String[] args) {
        int score=88;
        char level;
        int q=score/10;
        switch (q){
            case 10:
                level='A';
                break;
            case 9:
                level='B';
                break;
            case 8:
                level='C';
                break;
            default:
                level='E';
                break;



        }
        System.out.printf("等级为：%c%n",level);
}

    }
